[INFO] fetching crate inquire-cli 0.1.0...
[INFO] checking inquire-cli-0.1.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate inquire-cli 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate inquire-cli 0.1.0
[INFO] finished tweaking crates.io crate inquire-cli 0.1.0
[INFO] tweaked toml for crates.io crate inquire-cli 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate inquire-cli 0.1.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate inquire-cli 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded newline-converter v0.2.0
[INFO] [stderr] Downloaded os_str_bytes v6.0.1
[INFO] [stderr] Downloaded inquire v0.2.1
[INFO] [stderr] Downloaded syn v1.0.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70228fc31e4b5c1ae0fbc28c84b0309366415d0f77b53ecc9e770f33c8559808
[INFO] running `Command { std: "docker" "start" "-a" "70228fc31e4b5c1ae0fbc28c84b0309366415d0f77b53ecc9e770f33c8559808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70228fc31e4b5c1ae0fbc28c84b0309366415d0f77b53ecc9e770f33c8559808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70228fc31e4b5c1ae0fbc28c84b0309366415d0f77b53ecc9e770f33c8559808", kill_on_drop: false }`
[INFO] [stdout] 70228fc31e4b5c1ae0fbc28c84b0309366415d0f77b53ecc9e770f33c8559808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65f242d6c1d6b58a778b563b24df372e1bffea519b30189d8141540413fd41f0
[INFO] running `Command { std: "docker" "start" "-a" "65f242d6c1d6b58a778b563b24df372e1bffea519b30189d8141540413fd41f0", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.38
[INFO] [stderr] Compiling unicode-xid v0.2.3
[INFO] [stderr] Compiling libc v0.2.125
[INFO] [stderr] Compiling syn v1.0.94
[INFO] [stderr] Checking os_str_bytes v6.0.1
[INFO] [stderr] Checking newline-converter v0.2.0
[INFO] [stderr] Checking unicode-segmentation v1.9.0
[INFO] [stderr] Checking num-traits v0.2.15
[INFO] [stderr] Checking clap_lex v0.2.0
[INFO] [stderr] Checking num-integer v0.1.45
[INFO] [stderr] Compiling quote v1.0.18
[INFO] [stderr] Checking time v0.1.44
[INFO] [stderr] Checking tempfile v3.3.0
[INFO] [stderr] Checking atty v0.2.14
[INFO] [stderr] Checking termion v1.5.6
[INFO] [stderr] Checking chrono v0.4.19
[INFO] [stderr] Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr] Compiling proc-macro-error v1.0.4
[INFO] [stderr] Compiling thiserror-impl v1.0.31
[INFO] [stderr] Compiling clap_derive v3.1.18
[INFO] [stderr] Checking thiserror v1.0.31
[INFO] [stderr] Checking inquire v0.2.1
[INFO] [stderr] Checking clap v3.1.18
[INFO] [stderr] Checking inquire-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout] --> src/main.rs:8:5
[INFO] [stdout] |
[INFO] [stdout] 8 | use std::io;
[INFO] [stdout] | ^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout] --> src/main.rs:8:5
[INFO] [stdout] |
[INFO] [stdout] 8 | use std::io;
[INFO] [stdout] | ^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:35:9
[INFO] [stdout] |
[INFO] [stdout] 35 | let mut cfgs;
[INFO] [stdout] | ----^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:50:9
[INFO] [stdout] |
[INFO] [stdout] 50 | let mut answer_conf = read_answer_conf(&args);
[INFO] [stdout] | ----^^^^^^^^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:35:9
[INFO] [stdout] |
[INFO] [stdout] 35 | let mut cfgs;
[INFO] [stdout] | ----^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:50:9
[INFO] [stdout] |
[INFO] [stdout] 50 | let mut answer_conf = read_answer_conf(&args);
[INFO] [stdout] | ----^^^^^^^^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:68:9
[INFO] [stdout] |
[INFO] [stdout] 68 | let mut answer_conf;
[INFO] [stdout] | ----^^^^^^^^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:68:9
[INFO] [stdout] |
[INFO] [stdout] 68 | let mut answer_conf;
[INFO] [stdout] | ----^^^^^^^^^^^
[INFO] [stdout] | |
[INFO] [stdout] | help: remove this `mut`
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout] --> src/main.rs:176:29
[INFO] [stdout] |
[INFO] [stdout] 176 | fn write_output(args:&Args, cfg:&Yaml, answer_list:Vec